Home / 72,008.87-108,033.35-22,090.59

Finding the Fourth Proportional to 72,008.87, 108,033.35 and 22,090.59

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Solution

The fourth proportional to 72,008.87, 108,033.35 and 22,090.59 is: 33,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,008.87 : 108,033.35 = 22,090.59 : x
  2. Step 2: Convert to fraction form
    72,008.87/108,033.35 = 22,090.59/x
  3. Step 3: Cross multiply
    72,008.87x = 108,033.35 × 22,090.59
  4. Step 4: Simplify right side
    72,008.87x = 2,386,520,330.72
  5. Step 5: Solve for x
    x = 2,386,520,330.72/72,008.87
  6. Step 6: Final answer
    x = 33,142.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.